to chemische



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"llhe iise of a dry agent as a fungicide is the The following mixturesmay be considered simplest way of destroying mildew on seed. as examplesfor illustratingmy inve ntion.

The seed is,simply dusted with the dry powv Grams. der and the seed canbe put intothe soil at T d once. [Up to the present only copper car-Mercury l bonate has been employed as a dry fungicide,

' but it has proved eficient against Tilletia On 2' igfglgf fg figs? uta wheat and even in that case only if the sedi u ment was very little.Kfiolm a it i have now found that by mixing mercury wer a e iodinecompounds which are insoluble or only Mercury wdlde slightly soluble inwater, for instance, mer- 4 Tmlcum 5 cnry iodide, with fillers, liketalcum, kaolin, Mercury chloride 5 ln'eselguhr and the like or withother hmgip wg i i did 3,5

' w cides, like copper carbonate, with or with- 1 out fillers, dryfungicides are produced, 6 mm as my mwn which des troyinngi (mildew) onwheat even A dry fungicide comprising mixture of mere chlo ide and anlin io i e deposlt 18 W Agmnslt other said chl drdde aiid iodide toddfihg dmer dniy o dllseatses of l i hike t m r of iodide in the presence ofthe water in the barley, lFnsarlum oil rye, bllght oi oats, the 1p saidmercury-iodine fungicides have proved very valuable. 4 oi inercnrychloride, an ad line iodide, and ln placeoi the IHSOllllOlOmercuryriodme n filler, said chloride end iodide forming rt compounds llmay also apply such snbstnnces .rmercnry' iodide in the presence of thewater which in the presence of water dorm mercury in the ebil. s iodidesin the soil, say mercnrychloride plus In testimony whereoii l afin m siattire. potassinm'iodide. 7 J Y lEWE hfi lhd,

d. A dry hmgicide com rising a mixtnre m

